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Formalin is ..................% solution...

Formalin is ..................% solution of formaldehyde in Water

A

`10%`

B

`20%`

C

`40%`

D

`60%`

Text Solution

Verified by Experts

The correct Answer is:
C
Formalin is 40% solution of formaldehyde in water.
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ACCURATE PUBLICATION-ALDEHYDES ,KETONES AND CARBOOXALIC ACIDS-PART-A (ALDEHYDES AND KETONES -MULTIPLE CHOICE QUESTIONS (1 MARK))
  1. Which of the following aldehyde is a gas at room temperature ?

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  2. The carbon atom of the carbonyl group is :

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  3. Formalin is ..................% solution of formaldehyde in Water

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  4. Which of the following substances does not give iodoform test?

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  5. Which of the following aldehydes shows rapid reaction with sodium nitr...

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  6. Which of the following reactions may be associated with aldehyde and k...

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  7. Ketones are comparatively less reactive than aldehydes. It is due to

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  8. Which of the following do not give aldol condensation reactions ?

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  9. Which of the following is not a antacid ?

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  10. Formaldehyde and lactose are combined to produce throat lozenges named...

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  11. The formula of haloform is :

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  12. Formaldehyde condenses with phenol in the presence of dilute H2 SO4 to...

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  13. On heating acetaldehyde, with Fehling's solution, we get a precipitate...

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  14. Which of the following will not give addition reaction with NaHSO3

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  15. Write the empirical formula of the compounds having the molecular form...

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  16. Aldehyde and ketone have same general formula for homologous series

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  17. Oxidation of primary alcohol gives :

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  18. Nucleophilic addition reactions are catalyzed by:

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  19. Ethanal is prepared industrially by air oxidation of ethylene using pa...

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  20. Acetaldehydc cyanohydrin on acid hydrolysis yields in

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